The Helicoil R4255-8 inserts are precision-engineered M8x1 threaded inserts designed for fast, reliable repair of worn or damaged threads in both new and existing applications. Compatible with the Heli-Coil R4255-8 thread repair system, these inserts restore threads to original strength quickly and efficiently.
Each pack contains 12 inserts made of solid brass, offering excellent durability and corrosion resistance. Ideal for MRO, automotive, industrial, and general maintenance applications where dependable thread repair is essential.